<!DOCTYPE html>
<html lang="zh-CN">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>社交网站专题列表</title>
    <!-- Bootstrap 5 CSS -->
    <link href="https://cdn.jsdelivr.net/npm/bootstrap@5.3.0/dist/css/bootstrap.min.css" rel="stylesheet">
    <!-- Font Awesome -->
    <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.0/css/all.min.css">
    <style>
        /* 基础样式 */
        body {
            background-color: #f8f9fa;
            font-family: 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
            color: #333;
        }
        
        .section-title {
            text-align: center;
            margin: 2rem 0 3rem;
            color: #2c3e50;
            position: relative;
            padding-bottom: 1rem;
        }
        
        .section-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100px;
            height: 3px;
            background: linear-gradient(90deg, #0d6efd, #0a58ca);
            border-radius: 3px;
        }
        
        .topics-container {
            margin-bottom: 4rem;
        }
        
        .layout-type-title {
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid #eee;
            color: #34495e;
        }
        
        /* 专题卡片基础样式 */
        .topic-card {
            background-color: white;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 3px 10px rgba(0,0,0,0.07);
            transition: all 0.3s ease;
            margin-bottom: 1.5rem;
        }
        
        .topic-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        
        .topic-card a {
            text-decoration: none;
            color: inherit;
        }
        
        .topic-card a:hover {
            color: #0d6efd;
        }
        
        /* 专题标签样式 */
        .topic-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
            margin-right: 0.5rem;
            margin-bottom: 0.5rem;
        }
        
        .tag-primary {
            background-color: rgba(13, 110, 253, 0.1);
            color: #0d6efd;
        }
        
        .tag-secondary {
            background-color: rgba(108, 117, 125, 0.1);
            color: #6c757d;
        }
        
        .tag-success {
            background-color: rgba(25, 135, 84, 0.1);
            color: #198754;
        }
        
        .tag-info {
            background-color: rgba(13, 202, 240, 0.1);
            color: #0dcaf0;
        }
        
        /* 统计信息样式 */
        .topic-stats {
            display: flex;
            align-items: center;
            gap: 1.5rem;
            color: #6c757d;
            font-size: 0.9rem;
        }
        
        .topic-stats span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }
        
        /* 创建者信息样式 */
        .creator-info {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            font-size: 0.9rem;
            color: #495057;
        }
        
        .creator-avatar {
            width: 32px;
            height: 32px;
            border-radius: 50%;
            object-fit: cover;
        }
        
        .creator-name {
            font-weight: 500;
        }
        
        /* 样式1：网格卡片式专题 */
        .style-grid .topic-card {
            display: flex;
            flex-direction: column;
            height: 100%;
        }
        
        .style-grid .topic-media {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        
        .style-grid .topic-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        
        .style-grid .topic-card:hover .topic-img {
            transform: scale(1.05);
        }
        
        .style-grid .topic-no-img {
            height: 180px;
            background-color: #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-size: 2rem;
        }
        
        .style-grid .topic-content {
            padding: 1.25rem;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }
        
        .style-grid .topic-title {
            font-weight: 600;
            color: #2c3e50;
            margin-bottom: 0.75rem;
            font-size: 1.15rem;
            transition: color 0.2s ease;
        }
        
        .style-grid .topic-card:hover .topic-title {
            color: #0d6efd;
        }
        
        .style-grid .topic-desc {
            font-size: 0.9rem;
            color: #6c757d;
            margin-bottom: 1rem;
            flex-grow: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .style-grid .topic-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 0.75rem;
            border-top: 1px solid #f1f1f1;
        }
        
        /* 样式2：多图展示式专题 */
        .style-multi-image .topic-card {
            padding: 1.5rem;
        }
        
        .style-multi-image .topic-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            margin-bottom: 1rem;
        }
        
        .style-multi-image .topic-title {
            font-weight: 700;
            color: #2c3e50;
            font-size: 1.4rem;
            margin-bottom: 0.5rem;
        }
        
        .style-multi-image .topic-tags {
            margin-bottom: 0.75rem;
        }
        
        .style-multi-image .topic-desc {
            font-size: 1rem;
            color: #495057;
            margin-bottom: 1.25rem;
            max-width: 80%;
        }
        
        .style-multi-image .topic-media {
            display: flex;
            gap: 0.75rem;
            margin-bottom: 1.25rem;
            overflow: hidden;
            border-radius: 8px;
        }
        
        .style-multi-image .topic-img {
            flex: 1;
            height: 200px;
            object-fit: cover;
            border-radius: 6px;
            transition: transform 0.3s ease;
        }
        
        .style-multi-image .topic-img:hover {
            transform: scale(1.03);
        }
        
        .style-multi-image .topic-no-img {
            flex: 1;
            height: 200px;
            background-color: #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-size: 2rem;
            border-radius: 6px;
        }
        
        .style-multi-image .topic-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 1rem;
            border-top: 1px solid #f1f1f1;
        }
        
        /* 样式3：无图紧凑式专题 */
        .style-no-image .topic-card {
            padding: 1.25rem 1.5rem;
            display: flex;
            flex-direction: column;
        }
        
        .style-no-image .topic-title {
            font-weight: 600;
            color: #2c3e50;
            font-size: 1.25rem;
            margin-bottom: 0.5rem;
            transition: color 0.2s ease;
        }
        
        .style-no-image .topic-card:hover .topic-title {
            color: #0d6efd;
        }
        
        .style-no-image .topic-tags {
            margin-bottom: 0.75rem;
        }
        
        .style-no-image .topic-desc {
            font-size: 0.95rem;
            color: #6c757d;
            margin-bottom: 1rem;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        
        .style-no-image .topic-footer {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 0.75rem;
            border-top: 1px solid #f1f1f1;
        }
        
        /* 样式4：大图突出式专题 */
        .style-featured .topic-card {
            margin-bottom: 2.5rem;
            overflow: visible;
        }
        
        .style-featured .topic-media {
            position: relative;
            height: 400px;
            border-radius: 10px;
            overflow: hidden;
        }
        
        .style-featured .topic-img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        .style-featured .topic-no-img {
            height: 400px;
            background-color: #e9ecef;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #6c757d;
            font-size: 3rem;
        }
        
        .style-featured .topic-info-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(0,0,0,0.8));
            color: white;
            padding: 2rem;
        }
        
        .style-featured .topic-title {
            font-weight: 700;
            font-size: 1.8rem;
            margin-bottom: 0.5rem;
        }
        
        .style-featured .topic-tags .topic-tag {
            background-color: rgba(255,255,255,0.2);
            color: white;
        }
        
        .style-featured .topic-short-desc {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 1rem;
            max-width: 700px;
        }
        
        .style-featured .topic-detail {
            padding: 2rem;
            background-color: white;
            border-radius: 10px;
            margin-top: -1rem;
            position: relative;
            z-index: 10;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        
        .style-featured .topic-full-desc {
            font-size: 1.05rem;
            color: #495057;
            line-height: 1.7;
            margin-bottom: 1.5rem;
        }
        
        .style-featured .topic-content-section {
            margin-bottom: 1.5rem;
            padding-bottom: 1.5rem;
            border-bottom: 1px solid #f1f1f1;
        }
        
        .style-featured .topic-gallery {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
            margin-bottom: 1.5rem;
        }
        
        .style-featured .gallery-img {
            height: 180px;
            object-fit: cover;
            border-radius: 8px;
            transition: transform 0.3s ease;
        }
        
        .style-featured .gallery-img:hover {
            transform: scale(1.03);
        }
        
        .style-featured .topic-footer {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
        }
        
        /* 按钮样式 */
        .topic-actions {
            display: flex;
            gap: 0.75rem;
        }
        
        .topic-actions button {
            transition: all 0.2s ease;
        }
        
        .topic-actions button:hover {
            transform: translateY(-2px);
        }
        
        /* 响应式调整 */
        @media (max-width: 992px) {
            .style-multi-image .topic-desc {
                max-width: 100%;
            }
            
            .style-featured .topic-media {
                height: 300px;
            }
            
            .style-featured .topic-no-img {
                height: 300px;
            }
        }
        
        @media (max-width: 768px) {
            .style-multi-image .topic-header {
                flex-direction: column;
                gap: 1rem;
            }
            
            .style-multi-image .topic-media {
                flex-direction: column;
            }
            
            .style-multi-image .topic-img,
            .style-multi-image .topic-no-img {
                height: 150px;
            }
            
            .style-multi-image .topic-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            
            .style-featured .topic-title {
                font-size: 1.5rem;
            }
            
            .style-featured .topic-gallery {
                grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            }
            
            .style-featured .gallery-img {
                height: 120px;
            }
            
            .topic-footer,
            .style-grid .topic-footer,
            .style-no-image .topic-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 1rem;
            }
            
            .topic-stats {
                flex-wrap: wrap;
                gap: 1rem;
            }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1 class="section-title">社交专题合集</h1>
        
        <!-- 样式1：网格卡片式专题 -->
        <div class="topics-container style-grid">
            <h3 class="layout-type-title">
                <i class="fas fa-th me-2"></i>网格卡片式专题
            </h3>
            
            <div class="row">
                <!-- 专题1：带单张图片 -->
                <div class="col-md-6 col-lg-4">
                    <div class="topic-card">
                        <div class="topic-media">
                            <img src="https://picsum.photos/id/26/600/400" alt="夏日穿搭灵感" class="topic-img">
                        </div>
                        
                        <div class="topic-content">
                            <h3 class="topic-title">夏日穿搭灵感：清爽又时尚的搭配指南</h3>
                            
                            <div class="topic-tags">
                                <span class="topic-tag tag-primary">穿搭</span>
                                <span class="topic-tag tag-secondary">夏季</span>
                                <span class="topic-tag tag-info">时尚</span>
                            </div>
                            
                            <p class="topic-desc">
                                收集了今年夏天最流行的穿搭风格，从休闲到正式场合，总有适合你的搭配方案，让你在炎热夏季依然保持时尚感。
                            </p>
                            
                            <div class="topic-footer">
                                <div class="creator-info">
                                    <img src="https://picsum.photos/id/64/100/100" alt="创作者头像" class="creator-avatar">
                                    <span class="creator-name">时尚达人</span>
                                </div>
                                
                                <div class="topic-stats">
                                    <span><i class="fas fa-eye"></i> 2.4k</span>
                                    <span><i class="fas fa-heart"></i> 356</span>
                                    <span><i class="fas fa-comment"></i> 89</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                
                <!-- 专题2：无图片 -->
                <div class="col-md-6 col-lg-4">
                    <div class="topic-card">
                        <div class="topic-media">
                            <div class="topic-no-img">
                                <i class="fas fa-book"></i>
                            </div>
                        </div>
                        
                        <div class="topic-content">
                            <h3 class="topic-title">2023年度必读书单：10本改变思维的好书</h3>
                            
                            <div class="topic-tags">
                                <span class="topic-tag tag-secondary">阅读</span>
                                <span class="topic-tag tag-success">书籍</span>
                            </div>
                            
                            <p class="topic-desc">
                                精选10本涵盖心理学、哲学和自我成长的书籍，每一本都能给你带来全新的思考方式，帮助你在生活和工作中突破思维局限。
                            </p>
                            
                            <div class="topic-footer">
                                <div class="creator-info">
                                    <img src="https://picsum.photos/id/91/100/100" alt="创作者头像" class="creator-avatar">
                                    <span class="creator-name">书虫推荐官</span>
                                </div>
                                
                                <div class="topic-stats">
                                    <span><i class="fas fa-eye"></i> 5.7k</span>
                                    <span><i class="fas fa-heart"></i> 892</span>
                                    <span><i class="fas fa-comment"></i> 215</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
                
                <!-- 专题3：带单张图片 -->
                <div class="col-md-6 col-lg-4">
                    <div class="topic-card">
                        <div class="topic-media">
                            <img src="https://picsum.photos/id/292/600/400" alt="居家美食制作" class="topic-img">
                        </div>
                        
                        <div class="topic-content">
                            <h3 class="topic-title">零基础学做家常菜：简单又美味的15道菜谱</h3>
                            
                            <div class="topic-tags">
                                <span class="topic-tag tag-success">美食</span>
                                <span class="topic-tag tag-info">烹饪</span>
                                <span class="topic-tag tag-primary">家常菜</span>
                            </div>
                            
                            <p class="topic-desc">
                                专为厨房新手准备的家常菜谱合集，步骤详细，食材容易获取，即使没有烹饪经验也能做出美味可口的家常菜。
                            </p>
                            
                            <div class="topic-footer">
                                <div class="creator-info">
                                    <img src="https://picsum.photos/id/237/100/100" alt="创作者头像" class="creator-avatar">
                                    <span class="creator-name">美食小厨</span>
                                </div>
                                
                                <div class="topic-stats">
                                    <span><i class="fas fa-eye"></i> 3.8k</span>
                                    <span><i class="fas fa-heart"></i> 643</span>
                                    <span><i class="fas fa-comment"></i> 156</span>
                                </div>
                            </div>
                        </div>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- 样式2：多图展示式专题 -->
        <div class="topics-container style-multi-image">
            <h3 class="layout-type-title">
                <i class="fas fa-images me-2"></i>多图展示式专题
            </h3>
            
            <!-- 专题1：多张图片 -->
            <div class="topic-card">
                <div class="topic-header">
                    <div>
                        <h3 class="topic-title">城市探索：隐藏在都市中的小众景点</h3>
                        
                        <div class="topic-tags">
                            <span class="topic-tag tag-primary">旅行</span>
                            <span class="topic-tag tag-info">城市</span>
                            <span class="topic-tag tag-secondary">探索</span>
                        </div>
                        
                        <p class="topic-desc">
                            厌倦了人挤人的热门景点？这份专题为你推荐各大城市中鲜为人知但值得一去的小众地点，让你的城市之旅更有深度和惊喜。
                        </p>
                    </div>
                    
                    <div class="creator-info">
                        <img src="https://picsum.photos/id/342/100/100" alt="创作者头像" class="creator-avatar">
                        <div>
                            <div class="creator-name">城市漫步者</div>
                            <div class="topic-stats">
                                <span><i class="fas fa-eye"></i> 7.2k</span>
                                <span><i class="fas fa-heart"></i> 1.2k</span>
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                        </div>
                    </div>
                </div>
                
                <div class="topic-media">
                    <img src="https://picsum.photos/id/1061/600/400" alt="城市小巷" class="topic-img">
                    <img src="https://picsum.photos/id/1067/600/400" alt="城市建筑" class="topic-img">
                    <img src="https://picsum.photos/id/1069/600/400" alt="城市公园" class="topic-img">
                    <img src="https://picsum.photos/id/1071/600/400" alt="城市夜景" class="topic-img">
                </div>
                
                <div class="topic-footer">
                    <div class="topic-stats">
                        <span><i class="fas fa-comment"></i> 328 条评论</span>
                        <span><i class="fas fa-share-alt"></i> 512 次分享</span>
                        <span><i class="fas fa-bookmark"></i> 2.1k 人收藏</span>
                    </div>
                    
                    <div class="topic-actions">
                        <button class="btn btn-sm btn-outline-primary">
                            <i class="fas fa-bookmark"></i> 收藏
                        </button>
                        <button class="btn btn-sm btn-primary">
                            <i class="fas fa-share-alt"></i> 分享
                        </button>
                    </div>
                </div>
            </div>
            
            <!-- 专题2：无图片 -->
            <div class="topic-card">
                <div class="topic-header">
                    <div>
                        <h3 class="topic-title">职场生存指南：新人快速融入团队的10个技巧</h3>
                        
                        <div class="topic-tags">
                            <span class="topic-tag tag-primary">职场</span>
                            <span class="topic-tag tag-success">新人</span>
                            <span class="topic-tag tag-secondary">技巧</span>
                        </div>
                        
                        <p class="topic-desc">
                            刚进入新公司如何快速适应环境？如何与同事建立良好关系？这份指南整理了职场前辈的经验之谈，帮助新人顺利度过适应期。
                        </p>
                    </div>
                    
                    <div class="creator-info">
                        <img src="https://picsum.photos/id/399/100/100" alt="创作者头像" class="creator-avatar">
                        <div>
                            <div class="creator-name">职场导师</div>
                            <div class="topic-stats">
                                <span><i class="fas fa-eye"></i> 9.5k</span>
                                <span><i class="fas fa-heart"></i> 2.3k</span>
                            </div>
                        </div>
                    </div>
                </div>
                
                <div class="topic-footer">
                    <div class="topic-stats">
                        <span><i class="fas fa-comment"></i> 476 条评论</span>
                        <span><i class="fas fa-share-alt"></i> 1.8k 次分享</span>
                        <span><i class="fas fa-bookmark"></i> 3.7k 人收藏</span>
                    </div>
                    
                    <div class="topic-actions">
                        <button class="btn btn-sm btn-outline-primary">
                            <i class="fas fa-bookmark"></i> 收藏
                        </button>
                        <button class="btn btn-sm btn-primary">
                            <i class="fas fa-share-alt"></i> 分享
                        </button>
                    </div>
                </div>
            </div>
        </div>
        
        <!-- 样式3：无图紧凑式专题 -->
        <div class="topics-container style-no-image">
            <h3 class="layout-type-title">
                <i class="fas fa-list me-2"></i>无图紧凑式专题
            </h3>
            
            <!-- 专题1 -->
            <div class="topic-card">
                <h3 class="topic-title">高效时间管理：如何在忙碌中保持 productivity</h3>
                
                <div class="topic-tags">
                    <span class="topic-tag tag-primary">效率</span>
                    <span class="topic-tag tag-info">时间管理</span>
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